he's aware of the activities and his career in the navy and military experience. he's familiar with these tactics making him more dangerous. these officers are aware of that and they're going to counter act with what he may, or may not know. the fire continues to burn. they're going to let it burn new, we want toll you you're watching breaking news continuing at 4:00. thanks for joining us. this is continuing coverage of the search for christopher dorner we believe is holed up in that cabin. >> here are the details. fish and game officers exchanged gunfire about 12:20 this afternoon. one cabin has been surrounded that is what we believe the suspect has been holed up. >> that is jt trying to work in a signal. he's over the scene watching a recent development where the house is now on fire. we believe the suspect with dorner's description was inside of the tomorrow. the suspect got into a couple alt cases and gun battles and another one with san bernardino county sheriff's department. the gun battle two, officers downed and air lifted to loma linda medical center. o